diff options
| -rw-r--r-- | modules/pam_unix/unix_chkpwd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/modules/pam_unix/unix_chkpwd.c b/modules/pam_unix/unix_chkpwd.c index 15a1c2a8..3931bab2 100644 --- a/modules/pam_unix/unix_chkpwd.c +++ b/modules/pam_unix/unix_chkpwd.c @@ -137,7 +137,7 @@ int main(int argc, char *argv[]) user = getuidname(getuid()); /* if the caller specifies the username, verify that user matches it */ - if (strcmp(user, argv[1])) { + if (user == NULL || strcmp(user, argv[1])) { user = argv[1]; /* no match -> permanently change to the real user and proceed */ if (setuid(getuid()) != 0) |